diff --git a/ParadoxSaveParser.WebAPI/data_filtering.txt b/ParadoxSaveParser.WebAPI/data_filtering.txt
new file mode 100644
index 0000000..84e4067
--- /dev/null
+++ b/ParadoxSaveParser.WebAPI/data_filtering.txt
@@ -0,0 +1,43 @@
+countries
+	filter:
+		always: exists (has raw_development && raw_development != 0)
+		optional: is player (was_player == yes)
+	exclude:
+		flags
+		hidden_flags
+		variables
+		estate
+		active_agenda
+		power_projection
+		ai
+		history
+		navy
+		army
+		mercenary_company
+		active_relations
+		border_pct
+		border_sit
+		border_provinces
+		neighbours
+		home_neighbours
+		core_neighbours
+		inflation_history
+		opinion_cache
+		owned_provinces
+		controlled_provinces
+		core_provinces
+		claim_provinces
+		leader
+	query:
+		countries.(---.~|REB.~|PIR.~|NAT.~|*.(flags.~|hidden_flags.~|variables.~|estate.~|active_agenda.~|power_projection.~|ai.~|history.~|navy.~|army.~|mercenary_company.~|active_relations.~|border_pct.~|border_sit.~|border_provinces.~|neighbours.~|home_neighbours.~|core_neighbours.~|inflation_history.~|opinion_cache.~|owned_provinces.~|controlled_provinces.~|core_provinces.~|claim_provinces.~|leader.~|*))
+
+active_war
+	filter:
+		optional: only player wars
+previous_war
+	filter:
+		optional: only player wars
+		always: not fictive (has losses and lasts long)
+income_statistics
+nation_size_statistics
+inflation_statistics
\ No newline at end of file